<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Carson</title>
    <script>
        function callAndroid(){
        test.hello("js调用了android中的hello方法")
        }



    </script>
</head>
<body>
<button type="button" id="btn_1" onclick="callAndroid()">点击调用安卓代码</button>
</body>
</html>